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XM33C321ASPZR bảng dữ liệu(PDF) 49 Page - Texas Instruments |
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XM33C321ASPZR bảng dữ liệu(HTML) 49 Page - Texas Instruments |
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49 / 113 page  over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Offset error Offset error of 8-bit DAC -5 5 mV tdac_settle 8-bit DAC settling time in static mode DACCODE0 = 0 → 255, DAC output accurate to 1 LSB 1 µs tdac_settle 8-bit DAC settling time in sample mode DACCODE0 = 0 → 255, DAC output accurate to 1 LSB 40 µs 7.9.3 VREF Specifications 7.9.3.1 VREF Voltage Characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VDDmin Minimum supply voltage needed for VREF operation BUFCONFIG = 0 2.7 V BUFCONFIG = 1 1.71 VREF Voltage reference output voltage BUFCONFIG = 0 2.46 2.5 2.54 V BUFCONFIG = 1 1.38 1.4 1.42 7.9.3.2 VREF Electrical Characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IVREF VREF operating supply current BUFCONFIG = {0, 1}, No load 200 370 µA IDrive VREF output drive strength (1) Drive strength supported on VREF+ device pin 50 µA ISC VREF short circuit current 68 TBD mA TCVREF Temperature coefficient of VREF (Bandgap+VRBUF) (2) 75 ppm/°C TCdrift Long term VREF drift Time = 1000 hours, BUFCONFIG = {0, 1}, T = 25 ℃ 300 ppm PSRRDC VREF Power supply rejection ratio, DC VDD = 1.71 V to VDDmax, BUFCONFIG = 1 57 63 dB VDD = 2.7 V to VDDmax, BUFCONFIG = 0 49 53 CVREF Recommended ±20% tolerance decoupling capacitor on VREF+ pin (3) (4) 1 µF tstartup VREF startup time CVREF = 1µF 350 µS trefresh VREF External capacitor refresh time 31.25 (1) The specified MAX output drive strength is supported regardless of which peripherals are being used in the device. (2) The temperature coefficient of the VREF output is the sum of TCVRBUF and the temperature coefficient of the internal bandgap reference. (3) Decoupling capacitor (CVREF) is required when using the internal voltage reference VREF and should be connected from the VREF+ pin to VREF-/GND. When using the VREF+/- pins to supply an external reference, a decoupling capacitor value should be selected based on the external reference source. (4) The VREF module should only be enabled when CVREF is connected and should not be enabled otherwise. 7.9.4 Analog VBOOST Specification 7.9.4.1 Analog Mux VBOOST over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IVBST VBOOST current adder MCLK/ULPCLK is LFCLK 0.8 uA www.ti.com MSPM33C321A, MSPM33C3219 SLASFB6 – DECEMBER 2025 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 49 Product Folder Links: MSPM33C321A MSPM33C3219 |
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